SOLUTION: Solve (1-x)/(2+x) = (x-2)/(x+1) Thanks so much!

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Question 1057512: Solve (1-x)/(2+x) = (x-2)/(x+1)
Thanks so much!
Found 2 solutions by ikleyn, josmiceli:
Answer by ikleyn(52847)   (Show Source): You can put this solution on YOUR website!
.
Solve (1-x)/(2+x) = (x-2)/(x+1)
Thanks so much!
~~~~~~~~~~~~~~~~~~~~~~~~~ 

Cross-multiply (or, in other words, multiply both sides by (2+x)*(x+1)) to rid of the denominators. You will get

(1-x)*(x+1) = (x-2)*(2+x).

Simplify:

1 - x^2 = x^2 - 4,

1 + 4 = x^2 + x^2,

5 = 2x^2,

x^2 =   --->  x = +/-  = +/- .

Answer.  x = +/- .


Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!

Multiply both sides by






and

------------------------
check answers:
I'll check the negative square root:








OK
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